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Mammals Vs. Dinos- Dilong: Feathered Hunters
Mammals Vs. Dinos- Dilong: Feathered Hunters
Published: 2008/10/16
Channel: Science Channel
Review 68: Carnegie Dilong
Review 68: Carnegie Dilong
Published: 2015/07/02
Channel: Matthew The Dinosaur King
【Velociraptor ・Dilong 】
【Velociraptor ・Dilong 】
Published: 2015/09/24
Channel: Goo Soo
How to Draw a Dilong
How to Draw a Dilong
Published: 2012/01/28
Channel: www123peppy
DIY Dilong Dinosaur 5th Grade Project Using a Green Screen
DIY Dilong Dinosaur 5th Grade Project Using a Green Screen
Published: 2016/09/26
Channel: Tony Kennerly
Dinosaur Of The Day Episode 4! "Dilong" HARDCORE EDITION!!
Dinosaur Of The Day Episode 4! "Dilong" HARDCORE EDITION!!
Published: 2012/08/29
Channel: DinosaurOfTheDay
Dilong paradoxus
Dilong paradoxus
Published: 2015/07/30
Channel: Wiz Science™
Shapes Like Dinosaurs - Dilong Paradoxus
Shapes Like Dinosaurs - Dilong Paradoxus
Published: 2015/05/23
Channel: Danny Rivas
Mammals Vs. Dinos- Dinosaur Hunting
Mammals Vs. Dinos- Dinosaur Hunting
Published: 2008/10/15
Channel: Science Channel
Shapes Like Dinosaurs - Dilong Paradoxus - Jurassic Geometry
Shapes Like Dinosaurs - Dilong Paradoxus - Jurassic Geometry
Published: 2009/11/22
Channel: vans4menu
Tribute to Guanlong/Dilong
Tribute to Guanlong/Dilong
Published: 2010/12/10
Channel: ReDemption Gaming
Dilong Highlander Regates Royales Cannes 2012
Dilong Highlander Regates Royales Cannes 2012
Published: 2012/09/28
Channel: yachtdilong
How to draw an accurate Tyrannosaurus
How to draw an accurate Tyrannosaurus
Published: 2015/11/28
Channel: Robin Liesens
NOVA | NOVA Short | A Dinosaur is Born
NOVA | NOVA Short | A Dinosaur is Born
Published: 2008/02/25
Channel: NOVA PBS Official
Strange Ancient Mammal Had Dinosaur-Like Feature, According to New Study
Strange Ancient Mammal Had Dinosaur-Like Feature, According to New Study
Published: 2016/02/08
Channel: United News International
Review 68: Carnegie Dilong
Review 68: Carnegie Dilong
Published: 2016/03/30
Channel: Wm KEEFER
Guyllian
Guyllian's Toy Reviews - Episode 6: Safari Ltd. - Carnegie Dinosaurs - Dilong (No. 421301)
Published: 2014/05/03
Channel: GvRToys
Are Birds Really Dinosaurs?
Are Birds Really Dinosaurs?
Published: 2015/04/24
Channel: The Dinosaur Show
OBM - Dinosaur - Dilong
OBM - Dinosaur - Dilong
Published: 2016/12/30
Channel: Our Best Moments
Dinosaur to bird evolution 1 of 5
Dinosaur to bird evolution 1 of 5
Published: 2010/07/02
Channel: mrphoo67
PAR024 Carnegie Collection Dilong.
PAR024 Carnegie Collection Dilong.
Published: 2016/06/25
Channel: Otakusauridae Reviews
OMG! MEGARAPTOR, SINRAPTOR, and DILONG NEW HYBRIDS - Jurassic World - The Game
OMG! MEGARAPTOR, SINRAPTOR, and DILONG NEW HYBRIDS - Jurassic World - The Game
Published: 2016/11/08
Channel: Crazycatman
Dino toy review: Guanlong and Dilong
Dino toy review: Guanlong and Dilong
Published: 2016/02/28
Channel: Devil Games5
DINOSAUR Box 23 TOY COLLECTION - LETTER D Jurassic World Dino Kids Toy Review SuperFunReviews
DINOSAUR Box 23 TOY COLLECTION - LETTER D Jurassic World Dino Kids Toy Review SuperFunReviews
Published: 2016/01/29
Channel: SuperFunReviews
Spore: Dilong
Spore: Dilong
Published: 2009/08/09
Channel: dadltondmd
Safari Ltd. (carnegie collection) Dilong
Safari Ltd. (carnegie collection) Dilong
Published: 2014/09/27
Channel: SpinoAcroTaurus
DILONG
DILONG
Published: 2007/07/31
Channel: alansublime
what dinosaurs had featers
what dinosaurs had featers
Published: 2016/03/24
Channel: Brian John
Learning Learn Asian Dinosaurs  - Wild Animals 🌋Schleich Volcano erupts - What’s in the Box?
Learning Learn Asian Dinosaurs - Wild Animals 🌋Schleich Volcano erupts - What’s in the Box?
Published: 2017/01/28
Channel: SuperFunReviews
Walking with Dinosaurs 3D play surprise bag of extracting dinosaur
Walking with Dinosaurs 3D play surprise bag of extracting dinosaur
Published: 2014/11/21
Channel: Dino Channel
Raptorex - Video Learning - WizScience.com
Raptorex - Video Learning - WizScience.com
Published: 2015/08/02
Channel: Wiz Science™
Being Giant: Why are mammals not as big as dinosaurs?
Being Giant: Why are mammals not as big as dinosaurs?
Published: 2015/01/12
Channel: Royal Tyrrell Museum
Review 69: Carnegie Maiasaura
Review 69: Carnegie Maiasaura
Published: 2015/07/07
Channel: Matthew The Dinosaur King
Safari LTD Dinosaurs 2
Safari LTD Dinosaurs 2
Published: 2015/04/10
Channel: Studio Avalanche
Dinosaur to bird evolution 4 of 5
Dinosaur to bird evolution 4 of 5
Published: 2010/07/02
Channel: mrphoo67
¿Quien es psittacosaurus ? | Dinosaur Universe
¿Quien es psittacosaurus ? | Dinosaur Universe
Published: 2016/12/09
Channel: Leo T.rex
Feathered Dinosaur Plumage
Feathered Dinosaur Plumage
Published: 2010/02/10
Channel: djarm67
From Dinosaur Age to Today - Attenborough -  Life of Mammals - BBC
From Dinosaur Age to Today - Attenborough - Life of Mammals - BBC
Published: 2009/12/30
Channel: BBC Earth
Lin-Dilong [SpeedPaint]
Lin-Dilong [SpeedPaint]
Published: 2015/04/02
Channel: Lin Kaimane
Everything Dinosaur Unboxing 10 (New 2015 models!)
Everything Dinosaur Unboxing 10 (New 2015 models!)
Published: 2015/02/12
Channel: Matthew The Dinosaur King
Dinosaurs of a feather - this is Genesis Week, Ep 8, season 2, with Wazooloo, aka Ian Juby
Dinosaurs of a feather - this is Genesis Week, Ep 8, season 2, with Wazooloo, aka Ian Juby
Published: 2012/11/02
Channel: wazooloo
Dinosaur to bird evolution 5 of 5
Dinosaur to bird evolution 5 of 5
Published: 2010/07/02
Channel: mrphoo67
Raptorex Tribute
Raptorex Tribute
Published: 2009/12/27
Channel: dinox3raptor
Feathered Dinosaurs and Current Hoaxes.wmv
Feathered Dinosaurs and Current Hoaxes.wmv
Published: 2011/01/18
Channel: PardonedRebel
My Dinosaur Edits
My Dinosaur Edits
Published: 2010/08/28
Channel: TheBluePachy
Utah Dinos | National Geographic
Utah Dinos | National Geographic
Published: 2009/01/27
Channel: National Geographic
Shapes Like Dinosaurs - Cotton Candy
Shapes Like Dinosaurs - Cotton Candy
Published: 2009/11/23
Channel: CloseUrEyesNListen
Instrumental Prod keta - Student życia Dilong Instrumental Prod keta
Instrumental Prod keta - Student życia Dilong Instrumental Prod keta
Published: 2012/11/30
Channel: KetaDJ
Dinosaur World episode 1: New Beginning
Dinosaur World episode 1: New Beginning
Published: 2016/02/28
Channel: Devil Games5
Dinosaur George #162
Dinosaur George #162
Published: 2014/07/27
Channel: Dinosaur George
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WIKIPEDIA ARTICLE

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Dilong
Temporal range: Early Cretaceous, 125–124.6 Ma
Dilong.jpg
Original fossil specimen
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Saurischia
Suborder: Theropoda
Family: Proceratosauridae
Genus: Dilong
Xu et al., 2004
Species: D. paradoxus
Binomial name
Dilong paradoxus
Xu et al., 2004

Dilong (帝龍, which means 'emperor dragon') is a genus of small proceratosaurid tyrannosauroid dinosaur.[1] The only species is Dilong paradoxus. It is from the Lower Cretaceous Yixian Formation near Lujiatun, Beipiao, in the western Liaoning province of China. It lived about 125 million years ago.

Discovery[edit]

Dilong was described by Xu Xing and colleagues in 2004.[2] The name is derived from the Chinese meaning 'emperor' and 龙 / 龍 lóng meaning 'dragon'. "Di", "emperor", refers to the relationship of this animal to Tyrannosaurus rex, the "king" tyrannosaurid. "Long" is used to name Chinese dinosaurs in much the same way that the Latin -saur(us) is in the West. The specific name, paradoxus, is a Latinisation of the Ancient Greek παράδοξον meaning 'against received wisdom'.

Description[edit]

Size comparison between Dilong and a human.

The type specimen is IVPP 14243 (Institute of Vertebrate Paleontology and Paleoanthropology in Beijing), a nearly complete, semi-articulated, skull and skeleton. Referred material includes IVPP 1242, a nearly complete skull and presacral vertebrae, TNP01109 (Tianjin Museum of Natural History), a partial skull, and IVPP V11579, another skull which may belong to D. paradoxus, or to a related species. The type specimen of Dilong was about 1.6 m (5.2 ft) in length, but it is thought to be a juvenile and may have been over 2 m (6.6 ft) long when fully grown.

Feathers[edit]

See also Feathered dinosaurs

Dilong paradoxus had a covering of simple feathers or protofeathers. The feathers were seen in fossilized skin impressions from near the jaw and tail. They are not identical to modern bird feathers, lacking a central shaft and most likely used for warmth, since they could not have enabled flight. Adult tyrannosaurs, found in Alberta and Mongolia have skin impressions which appear to show the pebbly scales typical of other dinosaurs. Xu et al. (2004) speculated that the tyrannosauroids may have had different skin coverings on different parts of their bodies - perhaps mixing scales and feathers. They also speculated that feathers may correlate negatively with body size - that juveniles may have been feathered, then shed the feathers and expressed only scales as the animal became larger and no longer needed insulation to stay warm.

Classification[edit]

Life restoration.
Reconstructed skeleton

When Dilong was first described, it was considered one of the earliest and most primitive members of Tyrannosauroidea, the group that includes the later, larger tyrannosaurids such as Tyrannosaurus rex. At least one later study, by Turner and colleagues in 2007, reanalyzed the relationships of coelurosaurian dinosaurs, including Dilong, and found that it was not a tyrannosauroid. Rather, they placed Dilong two steps above the tyrannosauroids in their phylogeny; more advanced than Coelurus, but more primitive than the Compsognathidae.[3] However, other studies continued to find Dilong as a tyrannosauroid, and some (such as Carr & Williamson 2010) found Dilong to fall within Tyrannosauroidea, not among the more advanced coelurosaurs.[4]

Below is a cladogram containing most tyrannosauroids by Loewen et al. in 2013.[5]

Tyrannosauroidea
Proceratosauridae


Proceratosaurus bradleyi



Kileskus aristotocus



Guanlong wucaii





Sinotyrannus kazuoensis




Juratyrant langhami



Stokesosaurus clevelandi







Dilong paradoxus




Eotyrannus lengi




Bagaraatan ostromi




Raptorex kriegsteini




Dryptosaurus aquilunguis





Alectrosaurus olseni



Xiongguanlong baimoensis





Appalachiosaurus montgomeriensis





Alioramus altai



Alioramus remotus




Tyrannosauridae











In a 2014 study, Dilong was found to be a proceratosaurid.[1]

See also[edit]

References[edit]

  1. ^ a b Juan D. Porfiri; Fernando E. Novas; Jorge O. Calvo; Federico L. Agnolín; Martín D. Ezcurra; Ignacio A. Cerda (2014). "Juvenile specimen of Megaraptor (Dinosauria, Theropoda) sheds light about tyrannosauroid radiation". Cretaceous Research. 51: 35–55. doi:10.1016/j.cretres.2014.04.007. 
  2. ^ Xu, X.; Norell, M. A.; Kuang, X.; Wang, X.; Zhao, Q.; Jia, C. (2004). "Basal tyrannosauroids from China and evidence for protofeathers in tyrannosauroids" (PDF). Nature. 431 (7009): 680–684. PMID 15470426. doi:10.1038/nature02855. 
  3. ^ Turner, A.H., Pol, D., Clarke, J.A., Erickson, G.M., and Norell, M. (2007). "Supporting online material for: A basal dromaeosaurid and size evolution preceding avian flight". Science, 317: 1378-1381. doi:10.1126/science.1144066 (supplement)
  4. ^ Carr T.D.; Williamson T.E. (2010). "Bistahieversor sealeyi, gen. et sp. nov., a new tyrannosauroid from New Mexico and the origin of deep snouts in Tyrannosauroidea". Journal of Vertebrate Paleontology. 30 (1): 1–16. doi:10.1080/02724630903413032. 
  5. ^ Loewen, M.A.; Irmis, R.B.; Sertich, J.J.W.; Currie, P. J.; Sampson, S. D. (2013). Evans, David C, ed. "Tyrant Dinosaur Evolution Tracks the Rise and Fall of Late Cretaceous Oceans". PLoS ONE. 8 (11): e79420. PMC 3819173Freely accessible. PMID 24223179. doi:10.1371/journal.pone.0079420. 

External links[edit]

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